infighting

/IH1 N F AY0 T IH0 NG/
verb
  1. 1

    To fight with allies or other members of the same group.

  2. 2

    To box while extremely close to an opponent

noun
  1. 1

    Fighting or quarreling among the members of a single group or side.

  2. 2

    Fighting with one's opponent closer than arm's length.

Source: https://en.wiktionary.org/wiki/infight, https://en.wiktionary.org/wiki/infighting